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OK, for all you experts out there....I have been scouring the web trying to decipher the RPO codes for my '01 Suburban. I have been piecing them together from all the lists that I can find, but there are a few that I haven't been able to locate. Here they are:

AXP

FT2

FT3

MSL

NRE

R91

SLM

VXS

YD3

ZM9

ZY1

1SC

1SZ

1Z1

1Z2

47V

6GK

7GK

Anybody that knows what one or more these mean, please post up!

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OK, for all you experts out there....I have been scouring the web trying to decipher the RPO codes for my '01 Suburban. I have been piecing them together from all the lists that I can find, but there are a few that I haven't been able to locate. Here they are: